The BEI Sensors/Sensata part 01002-7173 is an incremental rotary encoder with a 2.5 diameter. This encoder is designed to accurately measure rotary motion and provide reliable feedback in various industrial applications. With its compact size and robust construction, it is suitable for use in demanding environments. The incremental design allows for precise position and speed control, making it ideal for applications requiring high accuracy and resolution. Whether it is used in motion control systems, robotics, or machinery, this rotary encoder offers exceptional performance and reliability.